Base-Pair Opening Dynamics Study of Fluoride Riboswitch in the Bacillus cereus CrcB Gene

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dc.contributor.authorLee, Juhyunko
dc.contributor.authorSung, Si-Eunko
dc.contributor.authorLee, Janghyunko
dc.contributor.authorKang, Jin Youngko
dc.contributor.authorLee, Joon-Hwako
dc.contributor.authorChoi, Byong-Seokko
dc.date.accessioned2021-05-12T05:10:39Z-
dc.date.available2021-05-12T05:10:39Z-
dc.date.created2021-05-11-
dc.date.created2021-05-11-
dc.date.created2021-05-11-
dc.date.created2021-05-11-
dc.date.created2021-05-11-
dc.date.created2021-05-11-
dc.date.issued2021-03-
dc.identifier.citationINTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v.22, no.6, pp.3234-
dc.identifier.issn1661-6596-
dc.identifier.urihttp://hdl.handle.net/10203/283666-
dc.description.abstractRiboswitches are segments of noncoding RNA that bind with metabolites, resulting in a change in gene expression. To understand the molecular mechanism of gene regulation in a fluoride riboswitch, a base-pair opening dynamics study was performed with and without ligands using the Bacillus cereus fluoride riboswitch. We demonstrate that the structural stability of the fluoride riboswitch is caused by two steps depending on ligands. Upon binding of a magnesium ion, significant changes in a conformation of the riboswitch occur, resulting in the greatest increase in their stability and changes in dynamics by a fluoride ion. Examining hydrogen exchange dynamics through NMR spectroscopy, we reveal that the stabilization of the U45 center dot A37 base-pair due to the binding of the fluoride ion, by changing the dynamics while maintaining the structure, results in transcription regulation. Our results demonstrate that the opening dynamics and stabilities of a fluoride riboswitch in different ion states are essential for the genetic switching mechanism.-
dc.languageEnglish-
dc.publisherMDPI-
dc.titleBase-Pair Opening Dynamics Study of Fluoride Riboswitch in the Bacillus cereus CrcB Gene-
dc.typeArticle-
dc.identifier.wosid000645698800001-
dc.identifier.scopusid2-s2.0-85102748840-
dc.type.rimsART-
dc.citation.volume22-
dc.citation.issue6-
dc.citation.beginningpage3234-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF MOLECULAR SCIENCES-
dc.identifier.doi10.3390/ijms22063234-
dc.contributor.localauthorKang, Jin Young-
dc.contributor.localauthorChoi, Byong-Seok-
dc.contributor.nonIdAuthorLee, Joon-Hwa-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorfluoride riboswitch-
dc.subject.keywordAuthoraptamer-
dc.subject.keywordAuthorlong-range interaction-
dc.subject.keywordAuthortertiary interaction-
dc.subject.keywordAuthorNMR-
dc.subject.keywordAuthorbase-pair opening-
dc.subject.keywordAuthorhydrogen exchange dynamics-
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